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L9678P датащи(PDF) 116 Page - STMicroelectronics

номер детали L9678P
подробное описание детали  Automotive user configurable airbag and battery cut-off IC
PDF  215 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9678P датащи(HTML) 116 Page - STMicroelectronics

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Deployment drivers
L9678P, L9678P-S
116/216
DS11626 Rev 9
Figure 21. Deployment driver control logic - Enable signal
Figure 22. Deployment driver control logic - Turn-on signals
The high level block diagram for the deployment drivers is shown below:
GAPGPS01656
FENH
ARMING STATE
ARM1INT
ARM1_Lx
ARM2INT
ARM2_Lx
FENL
ENABLE_HSx
ENABLE_LSx
Analog
Deployment
Block
SAFING STATE
SAFESEL
LPDIAGREQ(LEAK_CHSELx)
DSTEST(LSFET_TEST)
DIAG STATE
LPDIAGREQ(LEAK_CHSELx)
DSTEST(HSFET_TEST)
DIAG STATE
ARM_EN
GAPGPS01641
UpCtr
EN
CLR
DEP_DISABLED STATE
SAFING STATE
ARMING STATE
DEP_ENABLED STATE
SPI_DEPREQx
ENABLE_HSx
ENABLE_LSx
DIAG STAT E
DSTEST(PULSE)
Expiration
Timer
Deploy
Timer
LPDIAGREQ(LEAK_CHSELx)
ANALOG
Deployment BLOCK
HS_ONx
LS_ONx
LS_OVER_CURx
SSM RESET
S
R
S
R
EXP_Thresh
=
S
R
UpCtr
EN
CLR
SSM RESET
GND_LOSSx
DSTEST(HSFET_TEST)
DSTEST(LSFET_TEST)
DEP_Thresh
=
CHxSTAT
CHxDEP
S
R
CHxDS
S
R



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